summaryrefslogtreecommitdiffstats
path: root/cpukit/score/inline/rtems/score/wkspace.inl
diff options
context:
space:
mode:
Diffstat (limited to 'cpukit/score/inline/rtems/score/wkspace.inl')
-rw-r--r--cpukit/score/inline/rtems/score/wkspace.inl104
1 files changed, 104 insertions, 0 deletions
diff --git a/cpukit/score/inline/rtems/score/wkspace.inl b/cpukit/score/inline/rtems/score/wkspace.inl
new file mode 100644
index 0000000000..fee7623a6c
--- /dev/null
+++ b/cpukit/score/inline/rtems/score/wkspace.inl
@@ -0,0 +1,104 @@
+/* wkspace.inl
+ *
+ * This include file contains the bodies of the routines which contains
+ * information related to the RTEMS RAM Workspace.
+ *
+ * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
+ * On-Line Applications Research Corporation (OAR).
+ * All rights assigned to U.S. Government, 1994.
+ *
+ * This material may be reproduced by or for the U.S. Government pursuant
+ * to the copyright license under the clause at DFARS 252.227-7013. This
+ * notice must appear in all copies of this file and its derivatives.
+ *
+ * $Id$
+ */
+
+#ifndef __WORKSPACE_inl
+#define __WORKSPACE_inl
+
+/*PAGE
+ *
+ * _Workspace_Handler_initialization
+ *
+ */
+
+STATIC INLINE void _Workspace_Handler_initialization(
+ void *starting_address,
+ unsigned32 size
+)
+{
+ unsigned32 *zero_out_array;
+ unsigned32 index;
+ unsigned32 memory_available;
+
+ if ( (starting_address == NULL) ||
+ !_Addresses_Is_aligned( starting_address ) )
+ rtems_fatal_error_occurred( RTEMS_INVALID_ADDRESS );
+
+ if ( _CPU_Table.do_zero_of_workspace ) {
+ for( zero_out_array = (unsigned32 *) starting_address, index = 0 ;
+ index < size / 4 ;
+ index++ )
+ zero_out_array[ index ] = 0;
+ }
+
+ memory_available = _Heap_Initialize(
+ &_Workspace_Area,
+ starting_address,
+ size,
+ CPU_HEAP_ALIGNMENT
+ );
+
+ if ( memory_available == 0 )
+ rtems_fatal_error_occurred( RTEMS_UNSATISFIED );
+}
+
+/*PAGE
+ *
+ * _Workspace_Allocate
+ *
+ */
+
+STATIC INLINE void *_Workspace_Allocate(
+ unsigned32 size
+)
+{
+ return _Heap_Allocate( &_Workspace_Area, size );
+}
+
+/*PAGE
+ *
+ * _Workspace_Allocate_or_fatal_error
+ *
+ */
+
+STATIC INLINE void *_Workspace_Allocate_or_fatal_error(
+ unsigned32 size
+)
+{
+ void *memory;
+
+ memory = _Workspace_Allocate( size );
+
+ if ( memory == NULL )
+ rtems_fatal_error_occurred( RTEMS_UNSATISFIED );
+
+ return memory;
+}
+
+/*PAGE
+ *
+ * _Workspace_Free
+ *
+ */
+
+STATIC INLINE boolean _Workspace_Free(
+ void *block
+)
+{
+ return _Heap_Free( &_Workspace_Area, block );
+}
+
+#endif
+/* end of include file */